Black Widow(黒姫 -桎梏の館-)

An erotic camping trip takes a turn for the wild when Seiya discovers a mystery mansion in the woods. Excitement turns to thrills of terror as her friends begin to disappear. Too late, they realize they are trapped in the clutches of the Black Widow, a deadly temptress who lures unsuspecting victims into a web of lust, intrigue, and murder!